package Task12;

import java.util.Scanner;

public class Main2{
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            int half = n/2;
            for(int i = half;i > 0; i--){
                if(fun(i)&&fun(n-i)){
                    System.out.println(i);
                    System.out.println(n-i);
                    break;
                }
            }
        }
    }
    public static boolean fun(int m){
        for(int i = 2; i * i <= m; i++){
            if(m %  i == 0){
                return false;
            }
        }
        return true;
    }
}
